Port public version macros.

This ports https://codereview.chromium.org/959713003/ to
the 4.2 branch.

BUG=v8:3075
LOG=n
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/953363002

Cr-Commit-Position: refs/branch-heads/4.2@{#3}
Cr-Branched-From: 3dfd929e-refs/heads/4.2.77@{#2}
Cr-Branched-From: e0110920-refs/heads/master@{#26757}